gcp_project_id = attribute(:gcp_project_id, default: '<%= external_attribute(pwd, 'gcp_project_id') -%>', description: 'The GCP project identifier.')
route = attribute('route', default: <%= JSON.pretty_generate(grab_attributes(pwd)['route']) -%>, description: 'Compute route description')
gcp_network_name = attribute(:gcp_network_name, default: '<%= external_attribute(pwd, 'gcp_network_name') -%>', description: 'GCP network name')